./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Singapore-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Singapore-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 12:44:11,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 12:44:11,951 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/config/svcomp-Termination-64bit-Automizer_Default.epf [2024-11-13 12:44:11,961 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 12:44:11,961 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-13 12:44:11,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 12:44:11,987 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-13 12:44:11,987 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-13 12:44:11,988 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-13 12:44:11,989 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-13 12:44:11,990 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 12:44:11,990 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 12:44:11,992 INFO L153 SettingsManager]: * Use SBE=true [2024-11-13 12:44:11,992 INFO L151 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2024-11-13 12:44:11,992 INFO L153 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2024-11-13 12:44:11,992 INFO L153 SettingsManager]: * Use old map elimination=false [2024-11-13 12:44:11,993 INFO L153 SettingsManager]: * Use external solver (rank synthesis)=false [2024-11-13 12:44:11,993 INFO L153 SettingsManager]: * Use only trivial implications for array writes=true [2024-11-13 12:44:11,993 INFO L153 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2024-11-13 12:44:11,993 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 12:44:11,993 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2024-11-13 12:44:11,993 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 12:44:11,993 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 12:44:11,993 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2024-11-13 12:44:11,993 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2024-11-13 12:44:11,993 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2024-11-13 12:44:11,994 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 12:44:11,994 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-13 12:44:11,995 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 12:44:11,995 INFO L153 SettingsManager]: * Assume nondeterminstic values are in range=false [2024-11-13 12:44:11,995 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 12:44:11,996 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 12:44:11,996 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-13 12:44:11,996 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 12:44:11,996 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-13 12:44:11,997 INFO L151 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2024-11-13 12:44:11,998 INFO L153 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 14352272474fcd72367ebff6d0f1f20f37763259fc59dc19b61cd8b29efae381 [2024-11-13 12:44:12,404 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 12:44:12,418 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 12:44:12,421 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 12:44:12,423 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 12:44:12,423 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 12:44:12,425 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/../../sv-benchmarks/c/termination-crafted/Singapore-2.c Unable to find full path for "g++" [2024-11-13 12:44:14,555 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 12:44:14,840 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 12:44:14,841 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/sv-benchmarks/c/termination-crafted/Singapore-2.c [2024-11-13 12:44:14,850 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/data/b779c1beb/165789f23ac6402a92ec8d9079e49469/FLAGdc8c61ea8 [2024-11-13 12:44:14,878 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/data/b779c1beb/165789f23ac6402a92ec8d9079e49469 [2024-11-13 12:44:14,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 12:44:14,884 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 12:44:14,887 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:14,888 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 12:44:14,894 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 12:44:14,895 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:14" (1/1) ... [2024-11-13 12:44:14,897 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@865ab9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:14, skipping insertion in model container [2024-11-13 12:44:14,897 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 12:44:14" (1/1) ... [2024-11-13 12:44:14,918 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 12:44:15,144 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:15,153 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 12:44:15,170 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 12:44:15,189 INFO L204 MainTranslator]: Completed translation [2024-11-13 12:44:15,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15 WrapperNode [2024-11-13 12:44:15,190 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 12:44:15,191 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:15,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 12:44:15,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 12:44:15,205 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,210 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,231 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 24 [2024-11-13 12:44:15,232 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 12:44:15,233 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 12:44:15,234 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 12:44:15,234 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 12:44:15,245 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,246 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,254 INFO L175 MemorySlicer]: No memory access in input program. [2024-11-13 12:44:15,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,258 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,264 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,265 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,270 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,271 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 12:44:15,273 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 12:44:15,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 12:44:15,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 12:44:15,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (1/1) ... [2024-11-13 12:44:15,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:15,308 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:15,326 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:15,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2024-11-13 12:44:15,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 12:44:15,371 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 12:44:15,445 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 12:44:15,447 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 12:44:15,558 INFO L? ?]: Removed 7 outVars from TransFormulas that were not future-live. [2024-11-13 12:44:15,558 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 12:44:15,576 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 12:44:15,576 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 12:44:15,577 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:15 BoogieIcfgContainer [2024-11-13 12:44:15,577 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 12:44:15,579 INFO L112 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2024-11-13 12:44:15,579 INFO L270 PluginConnector]: Initializing BuchiAutomizer... [2024-11-13 12:44:15,586 INFO L274 PluginConnector]: BuchiAutomizer initialized [2024-11-13 12:44:15,587 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:44:15,589 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 12:44:14" (1/3) ... [2024-11-13 12:44:15,591 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41b65c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 12:44:15, skipping insertion in model container [2024-11-13 12:44:15,591 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:44:15,593 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 12:44:15" (2/3) ... [2024-11-13 12:44:15,593 INFO L204 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41b65c6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 12:44:15, skipping insertion in model container [2024-11-13 12:44:15,593 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2024-11-13 12:44:15,594 INFO L184 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:15" (3/3) ... [2024-11-13 12:44:15,596 INFO L333 chiAutomizerObserver]: Analyzing ICFG Singapore-2.c [2024-11-13 12:44:15,681 INFO L299 stractBuchiCegarLoop]: Interprodecural is true [2024-11-13 12:44:15,682 INFO L300 stractBuchiCegarLoop]: Hoare is None [2024-11-13 12:44:15,682 INFO L301 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2024-11-13 12:44:15,682 INFO L302 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2024-11-13 12:44:15,682 INFO L303 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2024-11-13 12:44:15,683 INFO L304 stractBuchiCegarLoop]: Difference is false [2024-11-13 12:44:15,683 INFO L305 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2024-11-13 12:44:15,683 INFO L309 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2024-11-13 12:44:15,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:15,714 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 12:44:15,714 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:44:15,715 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:44:15,719 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 12:44:15,719 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 12:44:15,720 INFO L331 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2024-11-13 12:44:15,720 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:15,721 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2024-11-13 12:44:15,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2024-11-13 12:44:15,722 INFO L119 BuchiIsEmpty]: Starting construction of run [2024-11-13 12:44:15,722 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2024-11-13 12:44:15,722 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2024-11-13 12:44:15,730 INFO L745 eck$LassoCheckResult]: Stem: 8#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_#t~nondet0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;havoc main_#t~nondet1#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L17true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 4#L18true assume !!(-65535 <= main_~y~0#1 && main_~y~0#1 <= 65535); 10#L19true assume main_~x~0#1 + main_~y~0#1 <= 0; 6#L20-2true [2024-11-13 12:44:15,730 INFO L747 eck$LassoCheckResult]: Loop: 6#L20-2true assume !!(main_~x~0#1 > 0);main_~x~0#1 := main_~x~0#1 + main_~x~0#1 + main_~y~0#1;main_~y~0#1 := main_~y~0#1 - 1; 6#L20-2true [2024-11-13 12:44:15,737 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:15,738 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2024-11-13 12:44:15,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:15,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [56675927] [2024-11-13 12:44:15,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:15,753 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:15,868 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:15,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:15,901 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:15,905 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:15,905 INFO L85 PathProgramCache]: Analyzing trace with hash 54, now seen corresponding path program 1 times [2024-11-13 12:44:15,906 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:15,906 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990893743] [2024-11-13 12:44:15,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:15,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:15,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:15,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:15,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:15,934 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:15,940 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:15,940 INFO L85 PathProgramCache]: Analyzing trace with hash 889571280, now seen corresponding path program 1 times [2024-11-13 12:44:15,940 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-13 12:44:15,941 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2998724] [2024-11-13 12:44:15,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-13 12:44:15,941 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 12:44:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:15,961 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 12:44:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 12:44:15,979 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-13 12:44:16,087 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 12:44:16,087 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 12:44:16,088 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 12:44:16,088 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 12:44:16,088 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 12:44:16,088 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,088 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 12:44:16,089 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 12:44:16,091 INFO L132 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Loop [2024-11-13 12:44:16,092 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 12:44:16,092 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 12:44:16,114 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:16,131 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:16,139 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:16,292 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 12:44:16,293 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 12:44:16,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:16,298 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:16,301 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2024-11-13 12:44:16,302 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:44:16,302 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:16,340 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:44:16,341 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:44:16,356 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:16,357 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,357 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:16,359 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:16,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2024-11-13 12:44:16,361 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:44:16,361 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:16,383 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:44:16,383 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:44:16,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2024-11-13 12:44:16,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:16,408 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:16,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2024-11-13 12:44:16,412 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:44:16,412 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:16,454 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:16,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,455 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:16,457 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:16,460 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2024-11-13 12:44:16,461 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 12:44:16,461 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:16,550 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:44:16,550 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=16, ULTIMATE.start_main_~y~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=16, ULTIMATE.start_main_~y~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~y~0#1=-1}, {ULTIMATE.start_main_~x~0#1=15, ULTIMATE.start_main_~y~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~y~0#1=0}] Lambdas: [1, 2, 6] Nus: [0, 1] [2024-11-13 12:44:16,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:16,623 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 12:44:16,623 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 12:44:16,623 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 12:44:16,623 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 12:44:16,623 INFO L128 ssoRankerPreferences]: Use exernal solver: true [2024-11-13 12:44:16,623 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,623 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 12:44:16,624 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 12:44:16,624 INFO L132 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2024-11-13 12:44:16,624 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 12:44:16,624 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 12:44:16,627 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:16,633 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:16,637 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:16,641 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:16,646 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:16,651 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:16,780 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 12:44:16,781 INFO L365 LassoAnalysis]: Checking for nontermination... [2024-11-13 12:44:16,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:16,783 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:16,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2024-11-13 12:44:16,786 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:44:16,787 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:16,816 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:44:16,816 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_2=0} Honda state: {v_rep~unnamed0~0~false_2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:44:16,833 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:16,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:16,836 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:16,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2024-11-13 12:44:16,840 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:44:16,840 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:16,855 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:44:16,856 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:44:16,870 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2024-11-13 12:44:16,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:16,872 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:16,875 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2024-11-13 12:44:16,875 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:44:16,875 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:16,891 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:44:16,891 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:44:16,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2024-11-13 12:44:16,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:16,914 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:16,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2024-11-13 12:44:16,916 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:44:16,916 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:16,933 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:44:16,933 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:44:16,954 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2024-11-13 12:44:16,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:16,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:16,957 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:16,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2024-11-13 12:44:16,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:44:16,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:16,985 INFO L398 LassoAnalysis]: Proved nontermination for one component. [2024-11-13 12:44:16,985 INFO L401 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_2=1} Honda state: {v_rep~unnamed0~0~true_2=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2024-11-13 12:44:17,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2024-11-13 12:44:17,002 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:17,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:17,004 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:17,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2024-11-13 12:44:17,006 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2024-11-13 12:44:17,006 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:17,036 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Ended with exit code 0 [2024-11-13 12:44:17,036 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:17,036 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:17,038 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:17,039 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2024-11-13 12:44:17,040 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2024-11-13 12:44:17,040 INFO L160 nArgumentSynthesizer]: Using integer mode. [2024-11-13 12:44:19,294 INFO L405 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2024-11-13 12:44:19,301 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2024-11-13 12:44:19,301 INFO L204 LassoAnalysis]: Preferences: [2024-11-13 12:44:19,302 INFO L125 ssoRankerPreferences]: Compute integeral hull: false [2024-11-13 12:44:19,302 INFO L126 ssoRankerPreferences]: Enable LassoPartitioneer: true [2024-11-13 12:44:19,302 INFO L127 ssoRankerPreferences]: Term annotations enabled: false [2024-11-13 12:44:19,302 INFO L128 ssoRankerPreferences]: Use exernal solver: false [2024-11-13 12:44:19,302 INFO L129 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,302 INFO L130 ssoRankerPreferences]: Dump SMT script to file: false [2024-11-13 12:44:19,302 INFO L131 ssoRankerPreferences]: Path of dumped script: [2024-11-13 12:44:19,302 INFO L132 ssoRankerPreferences]: Filename of dumped script: Singapore-2.c_Iteration1_Lasso [2024-11-13 12:44:19,302 INFO L133 ssoRankerPreferences]: MapElimAlgo: Frank [2024-11-13 12:44:19,302 INFO L241 LassoAnalysis]: Starting lasso preprocessing... [2024-11-13 12:44:19,305 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:19,311 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:19,319 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:19,328 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:19,335 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:19,340 INFO L118 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2024-11-13 12:44:19,457 INFO L259 LassoAnalysis]: Preprocessing complete. [2024-11-13 12:44:19,462 INFO L451 LassoAnalysis]: Using template 'affine'. [2024-11-13 12:44:19,463 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,463 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,466 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,467 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2024-11-13 12:44:19,468 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,482 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,482 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,482 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,483 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:19,491 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:19,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:19,499 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:19,519 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2024-11-13 12:44:19,520 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,523 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,525 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2024-11-13 12:44:19,527 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,542 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:19,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,543 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:19,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:19,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:19,547 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:19,564 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:19,564 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,564 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,566 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,568 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2024-11-13 12:44:19,568 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,581 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,581 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:19,581 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,581 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,581 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:19,582 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:19,582 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:19,584 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:19,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2024-11-13 12:44:19,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,597 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,599 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2024-11-13 12:44:19,601 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,613 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,613 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:19,613 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,613 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,614 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:19,614 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2024-11-13 12:44:19,614 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:19,616 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:19,636 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Ended with exit code 0 [2024-11-13 12:44:19,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,639 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,641 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2024-11-13 12:44:19,642 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,658 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,659 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,659 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,659 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:19,666 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:19,667 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:19,674 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:19,693 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:19,694 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,701 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,706 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2024-11-13 12:44:19,706 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,720 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,720 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,720 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,720 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2024-11-13 12:44:19,728 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2024-11-13 12:44:19,729 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2024-11-13 12:44:19,745 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:19,765 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Ended with exit code 0 [2024-11-13 12:44:19,765 INFO L451 LassoAnalysis]: Using template '2-nested'. [2024-11-13 12:44:19,766 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,766 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,768 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2024-11-13 12:44:19,772 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,788 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,789 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 12:44:19,794 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-13 12:44:19,794 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-13 12:44:19,804 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:19,824 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Ended with exit code 0 [2024-11-13 12:44:19,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,827 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,848 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2024-11-13 12:44:19,855 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,876 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,876 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:19,876 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,876 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,877 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 12:44:19,877 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-13 12:44:19,878 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:19,884 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:19,904 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Ended with exit code 0 [2024-11-13 12:44:19,904 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,904 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,907 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2024-11-13 12:44:19,911 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,928 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,929 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:19,929 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,929 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,929 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 12:44:19,930 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-13 12:44:19,930 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:19,933 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:19,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:19,954 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:19,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:19,957 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:19,959 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2024-11-13 12:44:19,960 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:19,977 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:19,977 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2024-11-13 12:44:19,977 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:19,978 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:19,978 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 12:44:19,978 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2024-11-13 12:44:19,979 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2024-11-13 12:44:19,984 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:20,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:20,004 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:20,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:20,006 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:20,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2024-11-13 12:44:20,010 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:20,027 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:20,027 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:20,027 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:20,027 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 12:44:20,032 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-13 12:44:20,032 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-13 12:44:20,040 INFO L488 LassoAnalysis]: Proving termination failed for this template and these settings. [2024-11-13 12:44:20,061 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2024-11-13 12:44:20,061 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:20,061 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:20,064 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:20,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2024-11-13 12:44:20,068 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2024-11-13 12:44:20,081 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2024-11-13 12:44:20,082 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2024-11-13 12:44:20,082 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2024-11-13 12:44:20,082 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2024-11-13 12:44:20,097 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2024-11-13 12:44:20,097 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2024-11-13 12:44:20,128 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2024-11-13 12:44:20,175 INFO L443 ModelExtractionUtils]: Simplification made 13 calls to the SMT solver. [2024-11-13 12:44:20,180 INFO L444 ModelExtractionUtils]: 2 out of 16 variables were initially zero. Simplification set additionally 8 variables to zero. [2024-11-13 12:44:20,182 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2024-11-13 12:44:20,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 [2024-11-13 12:44:20,185 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2024-11-13 12:44:20,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2024-11-13 12:44:20,188 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2024-11-13 12:44:20,211 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 3. [2024-11-13 12:44:20,211 INFO L474 LassoAnalysis]: Proved termination. [2024-11-13 12:44:20,212 INFO L476 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = 2*ULTIMATE.start_main_~y~0#1 + 3*ULTIMATE.start_main_~x~0#1 f1 = 2*ULTIMATE.start_main_~x~0#1 Supporting invariants [-1*ULTIMATE.start_main_~x~0#1 - 1*ULTIMATE.start_main_~y~0#1 >= 0] [2024-11-13 12:44:20,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2024-11-13 12:44:20,243 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2024-11-13 12:44:20,256 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-13 12:44:20,258 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression [2024-11-13 12:44:20,325 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 12:44:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:20,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-13 12:44:20,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:44:20,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 12:44:20,379 WARN L253 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 12:44:20,380 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 12:44:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 12:44:20,426 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2024-11-13 12:44:20,428 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:20,586 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 19 states and 23 transitions. Complement of second has 4 states. [2024-11-13 12:44:20,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2024-11-13 12:44:20,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-13 12:44:20,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 16 transitions. [2024-11-13 12:44:20,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 5 letters. Loop has 1 letters. [2024-11-13 12:44:20,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:44:20,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 6 letters. Loop has 1 letters. [2024-11-13 12:44:20,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:44:20,613 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 16 transitions. Stem has 5 letters. Loop has 2 letters. [2024-11-13 12:44:20,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2024-11-13 12:44:20,614 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 19 states and 23 transitions. [2024-11-13 12:44:20,618 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 12:44:20,620 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 19 states to 0 states and 0 transitions. [2024-11-13 12:44:20,621 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2024-11-13 12:44:20,621 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2024-11-13 12:44:20,622 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2024-11-13 12:44:20,622 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2024-11-13 12:44:20,622 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:44:20,623 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:44:20,623 INFO L424 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-13 12:44:20,623 INFO L331 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2024-11-13 12:44:20,623 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2024-11-13 12:44:20,623 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2024-11-13 12:44:20,623 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2024-11-13 12:44:20,634 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 12:44:20 BoogieIcfgContainer [2024-11-13 12:44:20,635 INFO L131 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2024-11-13 12:44:20,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 12:44:20,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 12:44:20,636 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 12:44:20,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 12:44:15" (3/4) ... [2024-11-13 12:44:20,640 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 12:44:20,641 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 12:44:20,642 INFO L158 Benchmark]: Toolchain (without parser) took 5759.48ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 93.4MB in the end (delta: 23.7MB). Peak memory consumption was 22.4MB. Max. memory is 16.1GB. [2024-11-13 12:44:20,642 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:20,643 INFO L158 Benchmark]: CACSL2BoogieTranslator took 304.01ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 106.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 12:44:20,643 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.32ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 993.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:20,644 INFO L158 Benchmark]: Boogie Preprocessor took 38.31ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.1MB in the end (delta: 814.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:20,644 INFO L158 Benchmark]: RCFGBuilder took 304.29ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 96.3MB in the end (delta: 8.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:20,644 INFO L158 Benchmark]: BuchiAutomizer took 5056.09ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 93.4MB in the end (delta: 2.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. [2024-11-13 12:44:20,645 INFO L158 Benchmark]: Witness Printer took 5.59ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 93.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 12:44:20,647 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40ms. Allocated memory is still 117.4MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 304.01ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 106.9MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.32ms. Allocated memory is still 142.6MB. Free memory was 106.9MB in the beginning and 105.9MB in the end (delta: 993.7kB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 38.31ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.1MB in the end (delta: 814.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 304.29ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 96.3MB in the end (delta: 8.6MB). There was no memory consumed. Max. memory is 16.1GB. * BuchiAutomizer took 5056.09ms. Allocated memory is still 142.6MB. Free memory was 96.3MB in the beginning and 93.4MB in the end (delta: 2.9MB). Peak memory consumption was 14.0MB. Max. memory is 16.1GB. * Witness Printer took 5.59ms. Allocated memory is still 142.6MB. Free memory was 93.4MB in the beginning and 93.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: IfThenElseExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function null, null and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 4.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 10 mSDsluCounter, 11 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax148 hnf100 lsp68 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf94 smp100 dnf100 smp100 tf102 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 3 MotzkinApplications: 9 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 7 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 2.6s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2024-11-13 12:44:20,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2024-11-13 12:44:20,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_83b16fae-1a6d-40aa-ad81-0f44c91dddd7/bin/uautomizer-verify-qhAvR1uOyd/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE